English
Karnataka Board PUCPUC Science 2nd PUC Class 12

Which of the following graphs is correct for a zero order reaction? - Chemistry

Advertisements
Advertisements

Question

Which of the following graphs is correct for a zero order reaction?

Short/Brief Note
Advertisements

Solution

Explanation:

A Zero order reaction = `[R] = (-k)t + [R]_0`

`y = (m xx x) + c`

x = t(time)

y = [R] concentration

Slope(m) = `- k`

Intercept(c) = `[R]_0`

`([R] - [R]_0)/t = -k`

`([R] - [R]_0)/t = -kt^0`

Rateαt0 

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Chemical Kinetics - Exercises [Page 54]

APPEARS IN

NCERT Exemplar Chemistry [English] Class 12
Chapter 4 Chemical Kinetics
Exercises | Q II. 31. | Page 54

RELATED QUESTIONS

The reaction between A and B is first order with respect to A and zero order with respect to B. Fill in the blanks in the following table:

Experiment A/mol L−1 B/mol L−1 Initial rate/mol L−1 min−1
I 0.1 0.1 2.0 × 10−2
II ______ 0.2 4.0 × 10−2
III 0.4 0.4 ______
IV ______ 0.2 2.0 × 10−2

The decomposition of NH3 on a platinum surface is a zero-order reaction. If the rate constant (k)  is 4 x 10-3 ms-1, how long will it take to reduce the initial concentration of NH3 from 0.1 M to 0.064 M?


Give one example of zero order reaction.


Derive integrated rate law for a zero-order reaction \[\ce{A -> Product}\].


For which of the following reaction the units of rate constant and rate of the reaction are same?


Derive an expression to calculate time required for completion of zero order reaction.


For a zero order reaction will the molecularity be equal to zero? Explain.


A solution with initial concentration of a mol dm-3 follow zero order kinetic. The time taken for the completion of reaction is


Write the expression of integrated rate equation for zero order reaction.


The slope in the plot of [R] Vs. time for a zero-order reaction is ______.


The following experimental rate data were obtained for a reaction carried out at 25°C:

\[\ce{A_{(g)} + B_{(g)} -> C_{(g)} + A_{(g)}}\]

Initial [A(g)]/mol dm−3 Initial [B(g)]/mol dm−3 Initial rate/mol dm−3s−1
3.0 × 10−2 2.0 × 10−2 1.89 × 10−4
3.0 × 10−2 4.0 × 10−2 1.89 × 10−4
6.0 × 10−2 4.0 × 10−2 7.56 × 10−4

What are the orders with respect to A(g) and B(g)?


Assertion (A): For a zero-order reaction, the unit of rate constant and rate of reaction are same.

Reason (R): Rate of reaction for zero order reaction is independent of concentration of reactant.


If the initial concentration of substance A is 1.5 M and after 120 seconds the concentration of substance A is 0.75 M, the rate constant for the reaction if it follows zero-order kinetics is ______.


What is zeroth order reaction? Derive its integrated rate Law. What are the units of rate constant?


Derive integrated rate law for zero order reaction.


If unit of rate constant is mol dm−3s1, the order of reaction would be ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×